温柔的表情用英文怎么说

温柔的表情可以用英语表示为 "gentle expression"。

"Gentle" 这个词是源自拉丁文 "gentips"，意思是 "贵族的、优秀的、和蔼的"。在英语中，它常用来形容人或动物的性格，指他们有礼貌、温和、善良等特点。

例句：

She had a gentle expression on her face, which made her look kind and compassionate. (她脸上有一种温柔的表情，使她看起来善良和同情心强。)
The gentle expression in his eyes showed that he was a caring and loving person. (他眼中的温柔表情表明他是一个关心和爱的人。)